Abstract
Cutting tool wear constitutes one of the principal parameters in the processing cost of building stone. The life index of the cutting tool is obtained by evaluating the wear of diamond segments in the processing plants and examining the main parameters thereof. The purpose of this study is to determine the life index of the diamond cutting tool by considering the physico-mechanical properties of marble stones and the operational parameter of cutting speed. To this end, a dataset was provided by collecting the data from eight building stone processing plants in the provinces of Tehran, Isfahan, and Yazd of Iran. In this regard, the number of square metres of building stone that every diamond cutting tool can cut during its lifetime is defined as the cutting tool life index (TLI). After collecting the required data, SPSS software was employed for statistical analysis. The results revealed that the Brazilian tensile strength is the main parameter that affects the cutting tool life index. Linear and non-linear regression analyses were then considered for the development of predictive models for the TLI based on the Brazilian tensile strength. The performance of the developed models was subsequently examined by using three different criteria: the coefficient of determination, the variance accounted for, and the root-mean-square error. The results of this study show that the non-linear predictive model of the TLI presents a very good performance, and thus, the diamond cutting tool life index can be obtained for marble stones by considering the model developed herein.
Highlights
Introduction and literature reviewGenerally, the processing operation for building stone is carried out in a stone processing plant in two stages: cutting and polishing
Field and laboratory tests were performed to find a relationship between the physico-mechanical properties of marble stones and operational parameters of cutting process with the life index of the diamond cutting tool, which is the most crucial parameter in the building stone processing operations
Several studies were performed on eight marble stones from eight different building stone processing plants
Summary
The processing operation for building stone is carried out in a stone processing plant in two stages: cutting and polishing. The results of their study indicated that the amount of wear depends on the quartz content and relates to the mechanical characteristics of the rock, including the uniaxial compressive and tensile strengths of the rock Continuing this approach, Liao and Luo (1992) performed cutting experiments on Indian-Imperial granite with different segment materials. The following year, Luo (1996) investigated the wear behaviour of diamond grains based on the constituent matrix in granite samples, and Unver (1996) utilised statistical models for the estimation of the specific wear rate (SWR) by considering the physico-mechanical properties of the rock. Gunes Yılmaz et al (2011) conducted studies on nine types of granite rock while considering physicomechanical and lithological properties
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
